/Engine/Source/Developer/ToolWidgets/Public/Filters/SFilterSearchBox.h
KEY INPUT Called when focus is given to this widget. This event does not bubble.
Returns whether the event was handled, along with other possible actions
virtual [FReply](API\Runtime\SlateCore\Input\FReply) OnFocusReceived ( const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & MyGeometry, const [FFocusEvent](API\Runtime\SlateCore\Input\FFocusEvent) & InFocusEvent )